| Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
| January | 27°F | 53°F | 39°F | 1.5" |
| February | 30°F | 57°F | 42°F | 1.8" |
| March | 41°F | 68°F | 53°F | 3.1" |
| April | 49°F | 76°F | 62°F | 5.1" |
| May | 58°F | 82°F | 70°F | 6.1" |
| June | 69°F | 91°F | 80°F | 4.8" |
| July | 72°F | 96°F | 84°F | 4.1" |
| August | 71°F | 95°F | 82°F | 4.1" |
| September | 62°F | 88°F | 74°F | 4.1" |
| October | 50°F | 77°F | 63°F | 3.5" |
| November | 39°F | 66°F | 52°F | 2.5" |
| December | 29°F | 53°F | 40°F | 2.5" |
| Index | Adair | Oklahoma | National |
| Air quality index | 38 | 55 | 42 |
| Pollution index | 1,549,330 | 1,271,533 | 2,726,193 |
| Measurement | Total |
| Days measured | 363 |
| Days with good air quality | 289 |
| Days with moderate air quality | 73 |
| Days w/ poor A.Q. for sensitive groups | 1 |
| Days with unhealthy air quality | 0 |
| Pollutant | Total |
| Arsenic | 0.230% |
| Benzene | 0.020% |
| Carbon Tetrachloride | 0.002% |
| Lead | 0.070% |
| Mercury | 0.210% |
| City | Population | Air Quality Index | National Avg. |
| Pryor Creek, OK | 9,417 | 36 | 28.0% |
| Wickliffe, OK | 795 | 36 | 28.0% |
| Hoot Owl, OK | 0 | 36 | 28.0% |
| Pump Back, OK | 147 | 36 | 28.0% |
| Sportsmen Acres, OK | 454 | 36 | 28.0% |
| Adair, OK | 669 | 38 | 24.0% |
| City | Population | Air Quality Index | National Avg. |
| Stratford, IA | 669 | 37 | 26.0% |
| Bedford Park, IL | 669 | 55 | 10.0% |
| Scranton, KS | 669 | 41 | 18.0% |
| Bowmans Addition, MD | 669 | 36 | 28.0% |
| Loch Lloyd, MO | 669 | 47 | 6.0% |
| Adair, OK | 669 | 38 | 24.0% |
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